This is the 5758th most frequent Chinese word.
合用
Suitable for joint use; fit for sharing.
In this sentence, "合用" describes the suitability or appropriateness of the scissors for use.
这把剪刀很合用。
This pair of scissors is very handy.
Here, "合用" is used to describe the place as being suitable or convenient for a purpose, in this case, conducting a meeting.
我们找了一个合用的地方来开会。
We found a suitable place for the meeting.
In this context, "合用" refers to the suitability of the transportation tool for the intended purpose of commuting.